LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

obrussa

obrussa f (genitive obrussae)

Meaning

  1. femininetesting of gold by fire in a cupel, assay
  2. femininetest, touchstone, proof, assay

Declension

declension
formsingularplural
nominativeobrussaobrussae
genitiveobrussaeobrussārum
dativeobrussaeobrussīs
accusativeobrussamobrussās
ablativeobrussāobrussīs
vocativeobrussaobrussae

obrussa, ae (pure Gr. collat. form = χρυσίον ὄβρυζον, obrȳzum aurum, Vulg. 2 Par. 3, 5; Isid. 16, 18, 2), f., = ὄβρυζον,
I. the testing or assaying of gold by fire in a cupel (class.).
I. Lit.: auri experimentum ignis est: id ipsum obrussam vocant, Plin. 33, 3, 19, § 59: aurum ad obrussam, refined, pure gold, Suet. Ner. 44.—
II. Trop., a test, touchstone, proof: adhibenda tamquam obrussa ratio, Cic. Brut. 74, 258: sic verus ille animus probatur: haec ejus obrussa est, this is its touchstone, its test, Sen. Ep. 13, 1: si omnia argumenta ad obrussam coeperimus exigere, to put to the proof, test accurately, id. Q. N. 4, 5, 1.

Origins

From Ancient Greek ὄβρυζα (óbruza, “assaying of gold”), ultimately from Hurrian 𒂁𒄷𒌋𒌒𒊒𒍑𒄭 (DUG.ḫu-u-ub-ru-uš-ḫi /⁠ḫubrušḫi⁠/, “crucible, smelter, melting-pot”), likely via the route of Hittite 𒄷𒌒𒊒𒍑𒄭 (ḫu-up-ru-uš-ḫi /⁠ḫuprušḫi-⁠/); for further connections see Arabic إِبْرِيز (ʔibrīz, “pure gold”).

Quick answers

What does obrussa mean in Latin?
obrussa, a noun, means “testing of gold by fire in a cupel, assay; test, touchstone, proof, assay”.
What is the genitive of obrussa?
The genitive singular is obrussae. obrussa is feminine, first declension.